Kojidan(古事談) is a Japanese collection of setsuwa. It was authored by Minamoto no Akikane between 1212 and 1215 during the early Kamakura period. The text is six volumes in length and contains 462 setsuwa stories. It was extremely popular and influenced a number of following collections beginning with the 1219 text Zoku Kojidan and Uji Shūi Monogatari.